$$(\sqrt{4}+\sqrt{2})^{2}$$
$2^{\frac{5}{2}}+6\approx 11.656854249$
$$\left(2+\sqrt{2}\right)^{2}$$
$$4+4\sqrt{2}+\left(\sqrt{2}\right)^{2}$$
$$4+4\sqrt{2}+2$$
$$6+4\sqrt{2}$$
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$4 \sqrt{2} + 6 = 11.656854249$
